Juniper JN0-412 Online Practice Questions and Exam Preparation

Juniper JN0-412 Online Questions & Answers

• Question 21:

  Prior to installing Contrail, which list of settings must be verified on all participating servers?

  A. DHCP is enabled, hostname resolution, and that SSH is enabled
  B. time synchronization, hostname resolution, and that FTP is enabled
  C. time synchronization, hostname resolution, and that SSH is enabled
  D. DHCP is enabled, hostname resolution, and that FTP is enabled
  C. time synchronization, hostname resolution, and that SSH is enabled

• Question 22:

  You are configuring a Contrail Security firewall policy rule and need to specify an exact port. Which two statements describe how to accomplish this task? (Choose two.)

  A. You should create a tag and specify it in the firewall policy rule.
  B. You should create an address group and specify it in the firewall policy rule.
  C. You should create a service group and specify it in the firewall policy rule.
  D. You should specify the service in the firewall policy rule.
  A. You should create a tag and specify it in the firewall policy rule.
  B. You should create an address group and specify it in the firewall policy rule.

• Question 23:

  You have an existing spine and leaf topology that you want to add into Contrail Command for fabric management. Which two configuration tasks are required to accomplish this task? (Choose two.)

  A. Enable OVSDB in the Contrail Command UI.
  B. Enable the REST API on the network devices.
  C. Enable VXLAN routing in the Contrail Command UI.
  D. Enable netconf SSH on the network devices.
  C. Enable VXLAN routing in the Contrail Command UI.
  D. Enable netconf SSH on the network devices.

• Question 24:

  What are two networking components of OpenStack? (Choose two.)

  A. Neutron
  B. Nova
  C. Ironic
  D. Barbican
  A. Neutron
  B. Nova

• Question 25:

  You have a centrally routed and bridged topology.

  In this scenario, routing between subnets would be performed on which two types of devices? (Choose two.)

  A. leaf
  B. spine
  C. DC gateway
  D. bridge
  A. leaf
  B. spine

• Question 26:

  Click the Exhibit button.

  

  Within your Contrail cluster, a BGP peer is not advertising routes as expected. After issuing the curl http://:8081/analytics/uves/bgp-peers command, you receive the output show in the exhibit. What is causing this problem?

  A. an incorrect local ID
  B. an incorrect peer type
  C. an incorrect IP address
  D. an incorrect family
  D. an incorrect family

• Question 27:

  What are three functions of an SDN controller? (Choose three.)

  A. An SDN controller uses federated routes between BGP autonomous systems.
  B. An SDN controller uses northbound APIs to manage applications and business logic.
  C. An SDN controller uses southbound APIs to manage flow control to the switches and routes in the network.
  D. An SDN controller uses federated data between SDN controller domains.
  E. An SDN controller functions as a gateway for the virtual machines in the SDN.
  A. An SDN controller uses federated routes between BGP autonomous systems.
  B. An SDN controller uses northbound APIs to manage applications and business logic.
  C. An SDN controller uses southbound APIs to manage flow control to the switches and routes in the network.

• Question 28:

  A snapshot of a VM1 instance was just taken. The snapshot is named VM2. You must launch a new VM instance called VM2 using the newly created snapshot. Which step must be taken to launch the instance?

  A. Create and launch the VM2 instance using the snapshot found under Project > Compute > Images.
  B. Launch the VM2 instance found under Project > Compute > Instances.
  C. Create and launch the VM2 instance using the snapshot found under Other > Snapshots.
  D. Launch the VM2 instance found under the drop-down menu for the VM1 instance.
  C. Create and launch the VM2 instance using the snapshot found under Other > Snapshots.

• Question 29:

  Which two statements are true about User Visible Entities (UVEs)? (Choose two.)

  A. UVES are limited to a single component.
  B. UVEs can span multiple components.
  C. UVEs may not require aggregation before being presented.
  D. UVEs may require aggregation before being presented.
  B. UVEs can span multiple components.
  D. UVEs may require aggregation before being presented.

• Question 30:

  Which two statements about Kubernetes clusters are correct? (Choose two.)

  A. The master coordinates the cluster.
  B. The minions are responsible for running the applications.
  C. The nodes are responsible for running the applications.
  D. The pod controller coordinates the cluster.
  A. The master coordinates the cluster.
  B. The minions are responsible for running the applications.